电子化学品板块11月19日涨0.58%，南大光电领涨，主力资金净流入2.41亿元

Core Insights - The electronic chemicals sector experienced a 0.58% increase on November 19, with Nanda Optoelectronics leading the gains [1] - The Shanghai Composite Index closed at 3946.74, up 0.18%, while the Shenzhen Component Index closed at 13080.09, unchanged [1] Stock Performance - Nanda Optoelectronics (300346) closed at 39.44, up 5.85%, with a trading volume of 747,200 shares and a transaction value of 2.907 billion [1] - Weiteou (6IETOE) closed at 43.51, up 5.79%, with a trading volume of 119,200 shares [1] - Other notable performers include: - Glinda (603931) at 31.01, up 4.48% [1] - Hongchang Electronics (603002) at 7.38, up 3.22% [1] - Shanghai Xinyang (300236) at 55.39, up 2.78% [1] Capital Flow - The electronic chemicals sector saw a net inflow of 241 million in main funds, while retail investors experienced a net outflow of 439 million [2][3] - Main fund inflows for key stocks include: - Nanda Optoelectronics with a net inflow of 34.7 million [3] - Jingrui Electric Materials (300655) with a net inflow of 111 million [3] - Retail investors showed significant outflows in several stocks, including: - Nanda Optoelectronics with a net outflow of 333 million [3] - Jingrui Electric Materials with a net outflow of 103 million [3]